BSX: Cybersecurity incident

bsx-20260907 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _____________________________________________________________________ FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 _____________________________________________________________________ Date of Report (Date of earliest event reported): September 7, 2026 BOSTON SCIENTIFIC CORPORATION (Exact name of registrant as specified in its charter) Delaware 1-11083 04-2695240 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.) 300 Boston Scientific Way , Marlborough , Massachusetts 01752-1234 (Address of principal executive offices) (Zip Code) ( 508 ) 683-4000 (Registrant's telephone number, including area code) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐ Written communication pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol Name of each exchange on which registered Common Stock, $0.01 par value per share BSX New York Stock Exchange 0.625% Senior Notes due 2027 BSX27 New York Stock Exchange Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Secur